Daniel, a biologist studying the disappearance of fish, is haunted by paternity. It is by looking for a woman who could be the mother of his children that he will come across a strange fish and discover what he really lacks: love.

After a bad breakup, a college-aged Parisian moves into her father's flat only to discover that he is living with his new girlfriend - a young woman her age.

César Casalonga wins a France presidential election primary for his party. But that victory was rigged. Helped by Paul Francoeur and Marylin, before the press or his opponents find out, César Casalonga must disentangle the conspiracy.